/* Software License Agreement
 * 
 *     Copyright(C) 1994-2019 David Lindauer, (LADSoft)
 * 
 *     This file is part of the Orange C Compiler package.
 * 
 *     The Orange C Compiler package is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     The Orange C Compiler package is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with Orange C.  If not, see <http://www.gnu.org/licenses/>.
 * 
 *     As a special exception, if other files instantiate templates or
 *     use macros or inline functions from this file, or you compile
 *     this file and link it with other works to produce a work based
 *     on this file, this file does not by itself cause the resulting
 *     work to be covered by the GNU General Public License. However
 *     the source code for this file must still be made available in
 *     accordance with section (3) of the GNU General Public License.
 *     
 *     This exception does not invalidate any other reasons why a work
 *     based on this file might be covered by the GNU General Public
 *     License.
 * 
 *     contact information:
 *         email: TouchStone222@runbox.com <David Lindauer>
 * 
 */

#include <io.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys\stat.h>

char *_RTL_FUNC mktemp(char *__template)
{
   char *s = strstr(__template,"XXXXXX") ;
   if (s && s == __template + strlen(__template)-6) {
      memcpy(s,"AA.AAA",6) ;
      while (1) {
         int fil = open(__template,O_RDONLY) ;
         if (fil == -1) {
            return __template ;
         }
         close(fil) ;
         if (++s[5] > 'Z') {
            s[5] = 'A' ;
            if (++s[4] > 'Z') {
               s[4] = 'A' ;
               if (++s[3] > 'Z') {
                  s[3] = 'A' ;
                  if (++s[1] > 'Z') {
                     s[1] = 'A' ;
                     if (++s[0] > 'Z')
                        return 0 ; /* man that is a lot of temp files if they get here */
                  }
               }
            }
         }
      }
   }
   return 0 ;
      
}
char *_RTL_FUNC _mktemp(char *__template)
{
    return mktemp(__template);
}
int _RTL_FUNC mkstemp (char * __template)
{
  if (mktemp (__template) == NULL) return -1;
  return open (__template, O_RDWR | O_CREAT | O_EXCL, S_IWRITE);
}
int _RTL_FUNC _mkstemp(char *__template)
{
    return mkstemp(__template);
}
